我是一个笼子，在寻找一只鸟。
解析：学问之道在于找回迷失的本心。
The tragedy of life is not that the beautiful things die young, but that they grow old and mean.
When someone is nasty， rude， hateful， or mean with you， pretend they have a disease. That makes it easier to have empathy toward them which can soften the conflict.
The greatest enemy of knowledge is not ignorance, it is the illusion of knowledge.
1998年，贝索斯致股东信